<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
 <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>

<c:choose>
<c:when test="${requestScope.memberId==null}">
해당 Id 가 없습니다!
</c:when>
<c:otherwise>
회원님의 Id 는 <b>${requestScope.memberId}</b> 입니다!<br>
</c:otherwise>
</c:choose>
